headbutter

plural headbutters

1. One who headbutts.

   She was a headbutter, a button- pusher.

   1997, Sheila Weller, Saint of Circumstance: The Untold Story Behind the Alex Kelly Rape Case : Growing Up Rich and Out of Control, page 87

   2 more examples

   Now meet the king of the headbutters: Pachycephalosaurus. This dinosaur was the largest of a group sometimes called "thick-headed lizards," which had specially thick skulls that were used for head-butting contests.

   2002, Paul Dowswell, The Ultimate Book of Dinosaurs, page 132

   Good kickers could help with soccer practices; skilled headbutters could become champion goalies.

   2014, Richard Kagan, Rebuilding Attachments with Traumatized Children, page 215